Glycerol esterified at each of its three hydroxyl groups by a fatty (aliphatic) acid; e.g., tristearoylglycerol. SYN: triglyceride.
- t. lipase the fat-splitting enzyme in pancreatic juice; it hydrolyzes t. to produce a diacylglycerol and a fatty acid anion; a deficiency of the hepatic enzyme results in hypercholesterolemia and hypertriglyceridemia. SYN: lipase (2), steapsin, tributyrase, tributyrinase.

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tri·acyl·glyc·er·ol (tri-a″səl-glisґər-ol) triglyceride.

Medical dictionary. 2011.